package sdfi.lee.Servlet;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import sdfi.lee.DAO.DAO;

/**
 * Servlet implementation class CEExsit
 */
public class CEExsit extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public CEExsit() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		request.setCharacterEncoding("utf-8");
		String name=request.getParameter("name");
		String sql="select count(*) as count from answer where nename='"+name+"' or alias='"+name+"'";
		String count=DAO.getValueByexecuteSQL(sql, "count");
		
		PrintWriter pw=response.getWriter();
		if(count.equals("未知项")||count.equals("0"))
			pw.append("false");
		else pw.append("true");
		pw.flush();
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		this.doGet(request, response);
	}

}
